py: fix memory leak in sack-py.c:new_package
py: fix memory leak in sack-py.c:new_package

edynox/libdnf,hughsie/libhif,rpm-software-management/libdnf,cgwalters/libhif,rpm-software-management/libdnf,rpm-software-management/libdnf,rpm-software-management/libhif,hughsie/libhif,Conan-Kudo/libhif,rpm-software-management/libhif,rpm-software-management/libhif,rpm-software-management/libdnf,edynox/libdnf,edynox/libdnf,cgwalters/libhif,Conan-Kudo/libhif,Conan-Kudo/libhif,Conan-Kudo/libhif,hughsie/libhif,rpm-software-management/libhif,cgwalters/libhif,hughsie/libhif,edynox/libdnf,cgwalters/libhif